Cool character concept: two siblings voming from different dimensions. The first one covers his mouth to limit his power, which is to destroy, deviate or stop threats as a passive, but he can choose to disable his protection to use his active powers, which essentially allow him to take energy from the void to do op shit. The other sibling covers her eyes to limit her powers, which are purely offensive. She can distort the dimension she's currently in by using void energy. They can fuse toghether to combine their powers, but it would honestly look something like this:
